CVE-2020-21053

Name of the Vulnerable Software and Affected Versions: FusionPBX version 4.5.7

Description: A Cross Site Scripting (XSS) issue exists, allowing remote malicious users to inject arbitrary web script or HTML via an unsanitized query string variable in the appdevicesdevice imports.php file.

Recommendations: For FusionPBX version 4.5.7, update the software to a version that sanitizes the query string variable, or as a temporary workaround, consider restricting access to the device imports.php file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.